Visual artificial membrane rupturing device and use method thereof
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a visual artificial membrane rupturing device and a using method thereof.
Background
The artificial rupture of the membrane intervenes and tears the amniotic membrane (fetal membrane) at the uterine orifice in an artificial way so as to observe the color of the amniotic membrane, strengthen the uterine contraction and accelerate the progress of the labor process, as shown in figure 1, the artificial rupture of the membrane is a schematic diagram of the prior art: disinfecting the vagina 1, after disinfecting the cervical orifice 3, stretching into the vagina 1 with the middle and index fingers of the left hand for guiding between two contractions, holding the forceps holder 2 with the right hand, avoiding the fetal head 6 as much as possible, tearing the fetal membrane 4, and manually breaking the membrane to make the amniotic fluid 5 flow out, wherein the operation is generally performed about 3cm after the cervical orifice is expanded for accelerating the progress of the labor process.
The whole manual process belongs to blind breaking, and the brought dangers and adverse factors are as follows: 1. the forceps are excessively clamped to break the fetal membrane, so that the scalp of the fetus is damaged. 2. If blood vessels exist on the fetal membrane scalp, the condition of artificial membrane rupture is contraindicated, the membrane cannot be ruptured, the cesarean section is needed immediately, but the condition of the fetal membrane cannot be observed through blind rupture, once the preposed position of the fetal membrane blood vessel is ruptured by the artificial membrane, the blood vessel is ruptured due to membrane rupture, and the fetus can die within minutes. (the fetal membrane generally has no blood vessel, only a few blood vessels are preposed, sometimes B ultrasonic can be made, the fact that the blood vessel is preposed is prompted, a lying-in woman is informed to perform cesarean delivery, once the B ultrasonic is found out and is subjected to artificial rupture of the membrane, the fetus is easy to die), 3, in the process of artificial rupture of the membrane, the dental forceps are used for clamping and breaking the fetal membrane, the fetal membrane is easy to be mistakenly clamped to the vaginal wall or the cervical wall, bleeding is caused, only the cesarean delivery can be performed again, which is a condition frequently occurring in the process of artificial rupture of the membrane in hospitals, and the pain of the lying-in woman is greatly increased. 4. The color of amniotic fluid cannot be observed, the labor can not be accurately judged, 5, the amniotic fluid sample can not be effectively collected (for patients suspected of uterine cavity infection, particularly hepatitis B patients, the fact that hepatitis B virus exists in the amniotic fluid needs to be detected completely), 6, the sterilization of the cervical orifice is not facilitated (the sterilization of the cervical orifice is a necessary procedure before rupture of membranes), and the like.
In the prior art, CN 206950213U discloses an artificial membrane rupturing device, which includes a cylinder, a piston rod and a membrane rupturing component, wherein the cylinder has a first end and a second end, the first end is formed with a support ring suitable for being attached to an amnion, the piston is hermetically fitted in the cylinder, and the piston rod is connected with the piston; the membrane breaking assembly comprises a needle tube and a needle core penetrating through the needle tube, the needle tube penetrates through the piston rod and the piston in a sliding manner along the axis direction of the cylinder, one end of the needle tube extends into the abutting ring, and the other end of the needle tube is provided with an external thread; the head end of the needle core is hidden in one end of the needle tube, the tail end of the needle core is provided with a cap, the cap is provided with an internal thread matched with the external thread, and when the cap is rotated along a first direction, the cap drives the needle core to move along the direction close to the amnion, so that the head end extends out of the needle tube. The structure still depends on the manual drive of a doctor to rupture the membrane of the needle head, the strength is difficult to grasp, the moving process of the needle head completely depends on the experience of the doctor, and the needle head is still in a blind rupture state. In addition, this structure has obvious defects, the holding ring 11 and the large end 111 are in a wide-mouth expanding shape, and the structure with a big front and a small back is obviously not suitable for entering the human body cavity (the entering process is equivalent to the process of scraping the wall against the inner wall of the cavity).
Further, for example, CN 109157272A discloses a manual membrane rupture device. The device comprises a vertical cylinder, wherein the lower end of the cylinder is fixedly connected with a box body through a connecting plate; a conical sealing ring is fixed at the upper end of the cylinder body, the upper end of the sealing ring is larger than the lower end of the sealing ring, a sealing plug is fixed at the lower end of the cylinder body, a hollow fixing column is slidably arranged in the cylinder body, the upper end surface of the fixing column penetrates through the sealing ring, and the lower end of the fixing column penetrates through the cylinder body and is in sliding connection with the box body; a vertically sliding needle head is arranged in the fixed column, the lower end of the needle head is rotatably connected with a lead screw, the fixed column is divided into an upper column and a lower column through a step, the lead screw is in threaded connection with the lower column, and the lower end of the lead screw penetrates through the lower column and is fixedly connected with a second gear; but be equipped with vertical gliding gear shaft in the box, from last first one-way gear, second one-way gear, third one-way gear and the fourth one-way gear of down being equipped with in proper order on the gear shaft. This kind of structure is hardly applicable to smart bed, 1, adopt fixed column, threaded rod and lead screw cooperation, need constantly rotatory handle portion during the operation, and in clinical, the region of operation is limited only between lying-in woman's two legs, and this kind of structure is complicated, and is rotatory business turn over mode, is unsuitable to the operating space needs, 2, gets into the medical product of human chamber way, and the majority is disposable consumptive material product, solves simple technical problem with complicated structure, breaks away from actual need. 3. The tapered sealing ring 4 is in a wide-mouth expanding shape, and when the tapered sealing ring enters the vagina and the cervix, the structure with the big front and the small back is obviously not suitable for entering the cavity of a human body, and the entering process is equivalent to the process of scraping the wall against the inner wall of the cavity to advance.
Still disclose a visual artifical rupture of membranes device as CN 209018893U, including protection straight tube, needle bar, syringe needle, dynamometer and video display equipment, be equipped with hourglass hopper-shaped shrinkage pool in the protection straight tube, be equipped with the miniature camera of video display equipment on the round platform recess internal face of hourglass hopper-shaped shrinkage pool, the straight line downthehole needle bar that leaks hopper-shaped shrinkage pool, the top of needle bar is equipped with the miniature pressure sensor of dynamometer, be equipped with the syringe needle in miniature pressure sensor's the portion that receives pressure, this utility model protects operator hand safety, prevents the needle stick wound, effectively protects lying-in woman vaginal wall and fetal scalp simultaneously, avoids operating the needle fish tail in the operation to be convenient for observe the property of amniotic fluid, estimate the amniotic fluid volume, improve lying-in woman comfort level moreover, avoid the amniotic fluid. The structure uses the needle head to directly operate the fetal membrane, solves the problem of blind breaking, but does not pull up the fetal membrane, and even if a pressure sensor is used, the fetal head can be injured inevitably. The defect is as follows 1, the protection straight tube is extruded by the sphincter, be in the state of extruding constantly, need medical personnel to keep the position by hand, 2, need to operate the syringe needle to pop out the rupture of membranes when keeping the position, and the fetal membranes hugs closely this fetal head, even visual state, keep the protection straight tube position in one hand, under the condition of operating the syringe needle in one hand, be difficult to effective rupture of membranes and guarantee that foetus head does not receive the damage, so this scheme has accomplished protection operator's hand safety, prevent the acupuncture wound, effectively protect lying-in woman vaginal wall and foetus scalp simultaneously, avoid operating the needle fish tail, but do not have apparent benefit to the operating condition of rupture of membranes.
In view of the above technical problems, the present invention aims to provide a visible artificial membrane rupture device and its usage method, which is simple in structure, convenient in use, beneficial to maintain the vaginal dilation state, beneficial to the cervical sterilization, capable of performing membrane rupture operation on the fetal membrane separated from the fetal head by using negative pressure, beneficial to observing the fetal membrane blood vessel preposition and amniotic fluid color, capable of sampling amniotic fluid, capable of performing visible operation in the whole process, and harmless to the fetus and the lying-in woman.
Disclosure of Invention
The invention aims to provide a visual artificial membrane breaking device which is simple in structure, convenient to use, favorable for keeping a vagina expansion state, favorable for disinfecting a cervical orifice, favorable for membrane breaking operation of a fetal membrane separated from a fetal head by using negative pressure, favorable for observing the preposition of a fetal membrane blood vessel and the color of amniotic fluid, capable of sampling the amniotic fluid, capable of performing visual operation in the whole process and free of damage to a fetus and a puerpera and a using method thereof.
In order to solve the problems, the invention provides a visual artificial membrane rupturing device, which comprises a spreading device and a membrane rupturing device, wherein the membrane rupturing device further comprises an inner tube, a membrane rupturing needle, a pull rod, a camera and an outer tube, one end of the pull rod is connected with a rubber plug in an inserting manner, the other end of the pull rod is integrally provided with a handle, the tail end of the inner tube is provided with an integrally formed handrail, the pull rod drives the rubber plug to be connected with a piston between the inner tube, and a negative pressure cavity is formed in the inner tube, wherein the front end of the inner tube is provided with a spherical bulge, the outer side of the spherical bulge is provided with a plurality of suction holes, and the membrane rupturing needle is fixedly arranged; the outer pipe is arranged outside the inner pipe, and the opening device is arranged outside the outer pipe.
Furthermore, rubber rings are arranged at two ends of the opening device, a tubular air bag is arranged between the two rubber rings, a plurality of support columns are arranged in the air bag, the support columns and the rubber rings are integrally formed during manufacturing, a plurality of folds are integrally formed on the outer surface of the air bag, a pipe cavity is formed after the air bag is inflated, the outer pipe is matched with the pipe cavity, soft silica gel is bonded at the front end of the outer pipe, and the front end of the outer pipe is used for being tightly attached to a fetal membrane of a fetal head.
Furthermore, a soft magnetic rubber paste is adhered to one of the rubber rings, and three tying belts are uniformly tied on the rubber ring; three straps are tied to the user's waist for holding the distraction device within the patient's vagina; the other rubber ring is provided with soft silica gel in a bonding way and is used for exposing the cervical orifice so as to facilitate the sterilization operation of the cervical orifice.
Further, the outer fringe of inner tube front end is provided with the swash plate, the swash plate encircles the setting along the inner tube front end, constitute the horn mouth form, the lateral wall integrated into one piece of swash plate is provided with the swash plate screw, integrated into one piece is provided with the handrail screw on the handrail, upper segment integrated into one piece of outer tube inner wall is provided with screw on the outer tube, the bottom integrated into one piece of outer tube is provided with screw under the outer tube, screw threaded connection on swash plate screw and the outer tube, screw and handrail screw threaded connection under the outer tube, and then make the outer tube fix the outside at the inner tube and formed the compartment between inner tube and outer tube.
Further, the embedding has at least one camera on the swash plate, and the data line of camera is walked the line along the compartment and is exposed outside with the handrail, and the upper surface bonding of handrail is provided with soft magnetic rubber and pastes, and soft magnetic rubber on the rubber ring of strutting the device pastes and can inhale the magnetism with the soft magnetic rubber on the handrail and paste and fasten.
Furthermore, a plurality of through holes are integrally formed on the spherical bulge, the spherical bulge is in threaded connection with the front end of the inner tube, and the through holes and the suction hole are communicated with the negative pressure cavity so that the amniotic fluid can instantly flow into the negative pressure cavity when the membrane is broken.
Furthermore, a one-way valve is arranged on the suction port, the membrane breaking needle is communicated with the negative pressure cavity, amniotic fluid in the negative pressure cavity is sucked along the membrane breaking needle and the suction port, and the amniotic fluid can be used as a sampling sample to be injected into the sample bottle along the membrane breaking needle after the membrane breaking device is drawn out.
Further, the inner tube is divided into an upper part and a lower part, and a sample bottle is arranged between the two parts of the inner tube; the upper part of the inner pipe is: the front end of the inner pipe is provided with a screw cap, the spherical bulge, the suction hole and the inclined plate are arranged on the screw cap, an inclined plate screw on the inclined plate is in threaded connection with a screw on the outer pipe of the outer pipe, and a camera is embedded in the inclined plate; the lower screw of the outer pipe at the bottom end of the outer pipe is in threaded connection with the screw of the handrail; the upper part of the sample bottle is provided with a sample bottle upper screw, the lower part of the sample bottle is provided with a bottom shell, the outer edge of the bottom shell is integrally formed with a sample bottle lower screw, a rubber plug is arranged in the sample bottle, an auxiliary rod is connected on the rubber plug in an inserting manner, the auxiliary rod is connected with the pull rod in an inserting manner after penetrating through the bottom shell, and a watertight sealing ring is arranged at the joint of the bottom shell and the auxiliary rod; a screw cap opening is arranged on the screw cap and is in threaded connection with the screw cap opening on the sample bottle; the front end integrated into one piece of the lower part of inner tube is provided with the inner tube screw socket, and screw socket threaded connection under inner tube screw socket and the sample bottle so, fixes the sample bottle between two parts about the inner tube.
Furthermore, the embedded position of the camera on the inclined plate is a spherical bulge, the spherical bulge is movably connected with the inclined plate, and after the camera is embedded in the spherical bulge, the camera can be manually adjusted at 15-75 degrees (preferably 45 degrees), so that the vision of the camera covers the front of the membrane breaking needle and the inner tube.
Furthermore, the inner wall of the front end of the opening device is provided with a righting ring, and the outer tube penetrates through the righting ring and stretches into the cervix, so that the outer tube is further righted and the negative pressure effect is improved.
Furthermore, the camera adopts a VGA-4.5 endoscopic camera of Shenzhen Yongji Star opto-electronic technology Limited, and the diameter of the lens is 4.5 mm. The lighting mode 6LED lamp has a viewing angle of 45 degrees, a maximum frame rate of 25 fps, supports an external VAG display and has a resolution of 640-480.
Furthermore, the soft magnetic rubber sticker adopts M2 rubber magnet of Suzhou Ebet magnetic industry Co., Ltd, the density is 5.5g/cm3, and the magnetic energy product is 12 (KJ/M3).
Furthermore, the length of the outer tube is 20-25cm, and the length of the distraction device is 15-20 cm.
Furthermore, the invention mainly comprises plastic parts and/or rubber parts.
In order to better realize the effect of the invention, the invention also provides a use method of the visual artificial membrane rupturing device, which comprises the following steps:
A. the steps of spreading vagina and disinfecting the cervical orifice are as follows: after the spreading lubricant is applied, the spreading lubricant is inserted into the cervix along the vagina, the air bag is inflated by the air pump, the folds on the air bag are spread, the air bag is completely expanded, the vagina is spread, the cervix is exposed, a lumen is formed, and the cervix can be directly disinfected through the lumen;
B. fixing the distraction device: tethered to the patient's waist with three tethers such that the distraction device remains within the user's body;
C. inserting a membrane rupturing device: inserting the front end of the membrane breaking device along the tube cavity, penetrating through the cervical orifice to enable the soft silica gel at the front end of the outer tube to tightly press the fetal head, and temporarily connecting the membrane breaking device and the opening device in a magnetic absorption manner by using the soft silica gel paste;
D. and (3) observing the fetal membranes: the camera is externally connected with a display device to observe the color of the fetal membrane, the color of amniotic fluid is observed through the fetal membrane, and whether the problem of the preposition of fetal membrane blood vessels exists or not is solved, if the fetal membrane is not suitable for rupture of the fetal membrane, the caesarean section is carried out in time;
E. and (3) membrane rupture operation: the fetal membrane is gradually close to the membrane breaking needle along with pressure arrangement, and after the fetal membrane is pressed to the membrane breaking needle, the fetal membrane is broken in a state of being separated from the fetal head, so that the fetal is not damaged;
F. collecting amniotic fluid samples: the amniotic fluid flowing into the negative pressure cavity is used as an amniotic fluid sample for inspection under the pressure at the instant of membrane rupture, so that amniotic fluid infection is avoided;
G. the rupture device is taken out, and the opening device is kept in the vagina according to the condition so as to further observe the condition of the uterine opening.
The invention has the beneficial effects that: simple structure, convenient to use, simple structure, convenient to use does benefit to and keeps vagina expansion state, does benefit to the disinfection of cervical orifice, utilizes the negative pressure to carry out the rupture of membranes operation to the fetal membrane after separating with fetal head, does benefit to and observes fetal membrane blood vessel leading and amniotic fluid colour, can carry out the amniotic fluid sample, whole visual operation, to the visual artifical rupture of membranes device of no harm of foetus and lying-in woman and application method thereof
The method specifically comprises the following steps: the invention solves the technical problem of blind rupture of membranes, is beneficial to observing the preposed fetal membrane blood vessel and the color of amniotic fluid, simultaneously uses the opening device to open the vagina, is beneficial to disinfecting the cervical orifice, and the rupture device (thick outer tube and the like) after opening the vagina conveniently enters the cervix. Compared with the prior art, the invention has the advantages that the technical characteristics support each other in function, not only the new technical effect (retaining the amniotic fluid in the initial state of rupture of membranes) is achieved, but also the technical effect is superior to the sum of the prior art.
Description of the drawings:
fig. 1 is a schematic diagram of artificial rupture of membranes in the prior art.
Fig. 2 is a schematic view of the distracting device of the present invention.
Fig. 3 is a schematic structural diagram of a first embodiment of the membrane rupturing device of the present invention.
Fig. 4 is a schematic diagram of a first embodiment of the membrane rupturing device of the present invention in combination with a distracting device for membrane rupturing.
Fig. 5 is a schematic structural diagram of a second embodiment of the membrane rupturing device of the present invention.
FIG. 6 is a schematic view of the initial state of a third embodiment of the membrane rupturing device of the present invention.
FIG. 7 is a schematic diagram of a sampling state of a third embodiment of the membrane rupturing device of the present invention.
Fig. 8 shows a third embodiment of the rupture device of the present invention in an assembled state.
Reference numerals:
1. vagina 2, forceps 3, cervical orifice 4 and fetal membrane
5. Amniotic fluid 6, fetal head
11. Distraction device 12, strut 13, rubber ring 14 and lumen
15. Air bag 16, tie
21. Membrane rupturing device 22, pull rod 23, inner tube 24 and rubber plug
25. Negative pressure cavity 26, outer tube 27, spacing cavity 28 and camera
29. A membrane rupturing needle 30, a spherical bulge 31, a through hole 32 and a sloping plate
33. Suction hole 34, handrail 35, soft magnetic rubber paste 36, data line
37. Handle 38, check valve 39, sample bottle 40, handrail screw hole
41. Screw cap 42, bottom shell 43, auxiliary rod
26a, an outer tube upper screw 26b, an outer tube lower screw 41a, a sloping plate screw 41b and a screw cap screw
39a, an upper screw port 39b of the sample bottle, a lower screw port 23a of the sample bottle and a screw port of the inner tube
The specific implementation mode is as follows:
as shown in fig. 1, fig. 1 is a schematic view of an artificial rupture of a membrane in the prior art as shown in fig. 1: disinfecting the vagina 1, after disinfecting the cervical orifice 3, stretching into the vagina 1 with the middle and index fingers of the left hand for guiding between two contractions, holding the forceps holder 2 with the right hand, avoiding the fetal head 6 as much as possible, tearing the fetal membrane 4, and manually breaking the membrane to make the amniotic fluid 5 flow out, wherein the operation is generally performed about 3cm after the cervical orifice is expanded for accelerating the progress of the labor process.
As can be seen from the figure, the whole process of manual work belongs to blind breaking, and the risks and the adverse factors are as follows: 1. the forceps are excessively clamped to break the fetal membrane, so that the scalp of the fetus is damaged. 2. If blood vessels exist on the fetal membrane scalp, the condition of artificial membrane rupture is contraindicated, the membrane cannot be ruptured, the cesarean section is needed immediately, but the condition of the fetal membrane cannot be observed through blind rupture, once the preposed position of the fetal membrane blood vessel is ruptured by the artificial membrane, the blood vessel is ruptured due to membrane rupture, and the fetus can die within minutes. (the fetal membrane generally has no blood vessel, only a few blood vessels are preposed, sometimes B ultrasonic can be made, the fact that the blood vessel is preposed is prompted, a lying-in woman is informed to perform cesarean delivery, once the B ultrasonic is found out and is subjected to artificial rupture of the membrane, the fetus is easy to die), 3, in the process of artificial rupture of the membrane, the dental forceps are used for clamping and breaking the fetal membrane, the fetal membrane is easy to be mistakenly clamped to the vaginal wall or the cervical wall, bleeding is caused, only the cesarean delivery can be performed again, which is a condition frequently occurring in the process of artificial rupture of the membrane in hospitals, and the pain of the lying-in woman is greatly increased. 4. The color of amniotic fluid cannot be observed, the labor can not be accurately judged, 5, the amniotic fluid sample can not be effectively collected (for patients suspected of uterine cavity infection, particularly hepatitis B patients, the fact that hepatitis B virus exists in the amniotic fluid needs to be detected completely), 6, the sterilization of the cervical orifice is not facilitated (the sterilization of the cervical orifice is a necessary procedure before rupture of membranes), and the like.
In view of the defects of the prior art, the invention provides the technical scheme that: fig. 2 is a schematic view of the distractor of the present invention, as shown in fig. 2-4. Fig. 3 is a schematic structural diagram of a first embodiment of the membrane rupturing device of the present invention. Fig. 4 is a schematic diagram of a first embodiment of the membrane rupturing device of the present invention in combination with a distracting device for membrane rupturing. The visual artificial membrane rupturing device comprises a spreading device 11 and a membrane rupturing device 21, the membrane rupturing device further comprises an inner tube 23, a membrane rupturing needle 29, a pull rod 22, a camera 28 and an outer tube 26, one end of the pull rod 22 is connected with a rubber plug 24 in an inserting mode, the other end of the pull rod 22 is provided with a handle 31 in an integrally formed mode, the tail end of the inner tube 23 is provided with an armrest 34 in an integrally formed mode, the pull rod 22 drives the rubber plug 24 to be connected with the inner tube 23 through a piston, and a negative pressure cavity 25 is formed in the inner tube 23, wherein a spherical bulge 30 is arranged at the front end of the inner tube 23, a plurality of suction holes 33 are formed in the outer side of the spherical bulge 30, and the membrane rupturing needle; the outer tube 26 is arranged outside the inner tube 21, and the spreader 11 is arranged outside the outer tube 26. Rubber rings 13 are arranged at two ends of the opening device 11, a tubular air bag 15 is arranged between the two rubber rings 13, a plurality of support columns 12 are arranged in the air bag 15, the support columns 12 and the rubber rings 13 are integrally formed during manufacturing, a plurality of folds are integrally formed on the outer surface of the air bag 15, a tube cavity 14 is formed after the air bag 15 is inflated, an outer tube 26 is matched with the tube cavity 14, soft silica gel is bonded at the front end of the outer tube 26, and the front end of the outer tube 26 is used for being tightly attached to a fetal membrane 4 of a fetal head 6. One of the rubber rings 13 is provided with a soft magnetic rubber paste in an adhesive way, and three tying belts 16 are uniformly tied on the rubber ring 13; three straps 16 are tied to the user's waist for holding the distraction device 11 within the patient's vagina; the other rubber ring 13 is bonded with soft silica gel, and the rubber ring 13 is used for exposing the cervical orifice 3 so as to facilitate the disinfection operation of the cervical orifice 3. The outer fringe of inner tube 23 front end is provided with swash plate 32, swash plate 32 encircles along inner tube 23 front end and sets up, constitute the horn mouth form, the lateral wall integrated into one piece of swash plate 32 is provided with swash plate screw 41a, integrated into one piece is provided with handrail screw 40 on handrail 34, the upper segment integrated into one piece of outer tube 26 inner wall is provided with outer tube screw 26a, the bottom integrated into one piece of outer tube 26 is provided with outer tube lower screw 26b, swash plate screw 41a and outer tube upper screw 26a threaded connection, outer tube lower screw 26b and handrail screw 40 threaded connection, and then make outer tube 26 fix in the outside of inner tube 23 and formed compartment cavity 27 between inner tube 23 and outer tube 26. At least one camera 28 is embedded in the inclined plate 32, a data line 36 of the camera 28 is routed along the partition cavity 27 and is exposed out of the armrest 34, a soft magnetic rubber sticker 35 is bonded to the upper surface of the armrest 34, and the soft magnetic rubber sticker 35 on the rubber ring 13 of the strutting device 11 and the soft magnetic rubber sticker 35 on the armrest 34 can be fixed in a magnetic sticking mode. The spherical bulge 30 is integrally provided with a plurality of through holes 31, the spherical bulge 30 is in threaded connection with the front end of the inner tube 23, and the through holes 31 and the suction holes 33 are communicated with the negative pressure cavity 25 so that the amniotic fluid 5 can flow into the negative pressure cavity 25 at the instant of membrane rupture. The embedding position of the camera on the inclined plate 32 is a spherical bulge, the spherical bulge is movably connected with the inclined plate, and after the camera is embedded in the spherical bulge, the camera can be manually adjusted at 15-75 degrees, so that the view field of the camera covers the front of the membrane breaking needle and the inner tube. The inner wall of the front end of the opening device 11 is provided with a righting ring, and the outer tube 26 penetrates through the righting ring to be inserted into the cervix for further righting the outer tube and improving the negative pressure effect. When in use: A. the steps of spreading vagina and disinfecting the cervical orifice are as follows: after the spreading lubricant is applied, the spreading lubricant is inserted into the cervix along the vagina, the air bag is inflated by the air pump, the folds on the air bag are spread, the air bag is completely expanded, the vagina is spread, the cervix is exposed, a lumen is formed, and the cervix can be directly disinfected through the lumen; B. fixing the distraction device: tethered to the patient's waist with three tethers such that the distraction device remains within the user's body; C. inserting a membrane rupturing device: inserting the front end of the membrane breaking device along the tube cavity, penetrating through the cervical orifice to enable the soft silica gel at the front end of the outer tube to tightly press the fetal head, and temporarily connecting the membrane breaking device and the opening device in a magnetic absorption manner by using the soft silica gel paste; D. and (3) observing the fetal membranes: the camera is externally connected with a display device to observe the color of the fetal membrane, the color of amniotic fluid is observed through the fetal membrane, and whether the problem of the preposition of fetal membrane blood vessels exists or not is solved, if the fetal membrane is not suitable for rupture of the fetal membrane, the caesarean section is carried out in time; E. and (3) membrane rupture operation: the fetal membrane is gradually close to the membrane breaking needle along with pressure arrangement, and after the fetal membrane is pressed to the membrane breaking needle, the fetal membrane is broken in a state of being separated from the fetal head, so that the fetal is not damaged; F. collecting amniotic fluid samples: the amniotic fluid flowing into the negative pressure cavity is used as an amniotic fluid sample for inspection under the pressure at the instant of membrane rupture, so that amniotic fluid infection is avoided; G. the rupture device is taken out, and the opening device is kept in the vagina according to the condition so as to further observe the condition of the uterine opening.
Fig. 5 is a schematic structural diagram of a second embodiment of the membrane rupturing device of the present invention. The second scheme comprises a spreading device 11 and a membrane breaking device 21, wherein the membrane breaking device further comprises an inner tube 23, a membrane breaking needle 29, a pull rod 22, a camera 28 and an outer tube 26, one end of the pull rod 22 is connected with a rubber plug 24 in an inserting mode, the other end of the pull rod 22 is integrally provided with a handle 31, the tail end of the inner tube 23 is provided with an integrally formed handrail 34, the pull rod 22 drives the rubber plug 24 to be connected with the inner tube 23 through a piston, and a negative pressure cavity 25 is formed in the inner tube 23, wherein a spherical bulge 30 is arranged at the front end of the inner tube 23, a plurality of suction holes 33 are formed in the outer side of the spherical bulge 30, and the membrane breaking needle 29 is; the outer tube 26 is arranged outside the inner tube 21, and the spreader 11 is arranged outside the outer tube 26. Rubber rings 13 are arranged at two ends of the opening device 11, a tubular air bag 15 is arranged between the two rubber rings 13, a plurality of support columns 12 are arranged in the air bag 15, the support columns 12 and the rubber rings 13 are integrally formed during manufacturing, a plurality of folds are integrally formed on the outer surface of the air bag 15, a tube cavity 14 is formed after the air bag 15 is inflated, an outer tube 26 is matched with the tube cavity 14, soft silica gel is bonded at the front end of the outer tube 26, and the front end of the outer tube 26 is used for being tightly attached to a fetal membrane 4 of a fetal head 6. One of the rubber rings 13 is provided with a soft magnetic rubber paste in an adhesive way, and three tying belts 16 are uniformly tied on the rubber ring 13; three straps 16 are tied to the user's waist for holding the distraction device 11 within the patient's vagina; the other rubber ring 13 is bonded with soft silica gel, and the rubber ring 13 is used for exposing the cervical orifice 3 so as to facilitate the disinfection operation of the cervical orifice 3. The outer fringe of inner tube 23 front end is provided with swash plate 32, swash plate 32 encircles along inner tube 23 front end and sets up, constitute the horn mouth form, the lateral wall integrated into one piece of swash plate 32 is provided with swash plate screw 41a, integrated into one piece is provided with handrail screw 40 on handrail 34, the upper segment integrated into one piece of outer tube 26 inner wall is provided with outer tube screw 26a, the bottom integrated into one piece of outer tube 26 is provided with outer tube lower screw 26b, swash plate screw 41a and outer tube upper screw 26a threaded connection, outer tube lower screw 26b and handrail screw 40 threaded connection, and then make outer tube 26 fix in the outside of inner tube 23 and formed compartment cavity 27 between inner tube 23 and outer tube 26. At least one camera 28 is embedded in the inclined plate 32, a data line 36 of the camera 28 is routed along the partition cavity 27 and is exposed out of the armrest 34, a soft magnetic rubber sticker 35 is bonded to the upper surface of the armrest 34, and the soft magnetic rubber sticker 35 on the rubber ring 13 of the strutting device 11 and the soft magnetic rubber sticker 35 on the armrest 34 can be fixed in a magnetic sticking mode. The suction port 33 is provided with a one-way valve 38, the membrane breaking needle 29 is communicated with the negative pressure cavity 25, the amniotic fluid 5 sucked into the negative pressure cavity 25 along the membrane breaking needle 29 and the suction port 33 can be used as a sampling sample and injected into a sample bottle 39 along the membrane breaking needle 29 after the membrane breaking device 21 is drawn out. The embedding position of the camera on the inclined plate 32 is a spherical bulge, the spherical bulge is movably connected with the inclined plate, and after the camera is embedded in the spherical bulge, the camera can be manually adjusted at 15-75 degrees, so that the view field of the camera covers the front of the membrane breaking needle and the inner tube. The inner wall of the front end of the opening device 11 is provided with a righting ring, and the outer tube 26 penetrates through the righting ring to be inserted into the cervix for further righting the outer tube and improving the negative pressure effect. When in use: A. the steps of spreading vagina and disinfecting the cervical orifice are as follows: after the spreading lubricant is applied, the spreading lubricant is inserted into the cervix along the vagina, the air bag is inflated by the air pump, the folds on the air bag are spread, the air bag is completely expanded, the vagina is spread, the cervix is exposed, a lumen is formed, and the cervix can be directly disinfected through the lumen; B. fixing the distraction device: tethered to the patient's waist with three tethers such that the distraction device remains within the user's body; C. inserting a membrane rupturing device: inserting the front end of the membrane breaking device along the tube cavity, penetrating through the cervical orifice to enable the soft silica gel at the front end of the outer tube to tightly press the fetal head, and temporarily connecting the membrane breaking device and the opening device in a magnetic absorption manner by using the soft silica gel paste; D. and (3) observing the fetal membranes: the camera is externally connected with a display device to observe the color of the fetal membrane, the color of amniotic fluid is observed through the fetal membrane, and whether the problem of the preposition of fetal membrane blood vessels exists or not is solved, if the fetal membrane is not suitable for rupture of the fetal membrane, the caesarean section is carried out in time; E. and (3) membrane rupture operation: the fetal membrane is gradually close to the membrane breaking needle along with pressure arrangement, and after the fetal membrane is pressed to the membrane breaking needle, the fetal membrane is broken in a state of being separated from the fetal head, so that the fetal is not damaged; F. collecting amniotic fluid samples: the amniotic fluid flowing into the negative pressure cavity is used as an amniotic fluid sample for inspection under the pressure at the instant of membrane rupture, so that amniotic fluid infection is avoided; G. the rupture device is taken out, and the opening device is kept in the vagina according to the condition so as to further observe the condition of the uterine opening.
As shown in fig. 6-8, fig. 6 is a schematic view of an initial state of a third embodiment of the membrane rupturing device of the present invention, and fig. 7 is a schematic view of a sampling state of the third embodiment of the membrane rupturing device of the present invention. Fig. 8 shows a third embodiment of the rupture device of the present invention in an assembled state. The third scheme includes a spreading device 11 and a membrane rupturing device 21, the membrane rupturing device further includes an inner tube 23, a membrane rupturing needle 29, a pull rod 22, a camera 28 and an outer tube 26, one end of the pull rod 22 is connected with a rubber plug 24 in an inserting manner, the other end of the pull rod 22 is integrally provided with a handle 31, the tail end of the inner tube 23 is provided with an integrally formed handrail 34, the pull rod 22 drives the rubber plug 24 to be connected with the inner tube 23 through a piston, and a negative pressure cavity 25 is formed in the inner tube 23, wherein a spherical bulge 30 is arranged at the front end of the inner tube 23, a plurality of suction holes 33 are formed in the outer side of the spherical bulge 30, and the membrane rupturing needle 29 is fixedly; the outer tube 26 is arranged outside the inner tube 21, and the spreader 11 is arranged outside the outer tube 26. Rubber rings 13 are arranged at two ends of the opening device 11, a tubular air bag 15 is arranged between the two rubber rings 13, a plurality of support columns 12 are arranged in the air bag 15, the support columns 12 and the rubber rings 13 are integrally formed during manufacturing, a plurality of folds are integrally formed on the outer surface of the air bag 15, a tube cavity 14 is formed after the air bag 15 is inflated, an outer tube 26 is matched with the tube cavity 14, soft silica gel is bonded at the front end of the outer tube 26, and the front end of the outer tube 26 is used for being tightly attached to a fetal membrane 4 of a fetal head 6. One of the rubber rings 13 is provided with a soft magnetic rubber paste in an adhesive way, and three tying belts 16 are uniformly tied on the rubber ring 13; three straps 16 are tied to the user's waist for holding the distraction device 11 within the patient's vagina; the other rubber ring 13 is bonded with soft silica gel, and the rubber ring 13 is used for exposing the cervical orifice 3 so as to facilitate the disinfection operation of the cervical orifice 3. The outer fringe of inner tube 23 front end is provided with swash plate 32, swash plate 32 encircles along inner tube 23 front end and sets up, constitute the horn mouth form, the lateral wall integrated into one piece of swash plate 32 is provided with swash plate screw 41a, integrated into one piece is provided with handrail screw 40 on handrail 34, the upper segment integrated into one piece of outer tube 26 inner wall is provided with outer tube screw 26a, the bottom integrated into one piece of outer tube 26 is provided with outer tube lower screw 26b, swash plate screw 41a and outer tube upper screw 26a threaded connection, outer tube lower screw 26b and handrail screw 40 threaded connection, and then make outer tube 26 fix in the outside of inner tube 23 and formed compartment cavity 27 between inner tube 23 and outer tube 26. At least one camera 28 is embedded in the inclined plate 32, a data line 36 of the camera 28 is routed along the partition cavity 27 and is exposed out of the armrest 34, a soft magnetic rubber sticker 35 is bonded to the upper surface of the armrest 34, and the soft magnetic rubber sticker 35 on the rubber ring 13 of the strutting device 11 and the soft magnetic rubber sticker 35 on the armrest 34 can be fixed in a magnetic sticking mode. The inner tube 23 is divided into an upper part and a lower part, and a sample bottle 39 is arranged between the two parts of the inner tube; the upper part of the inner tube 23 is: the front end of the inner pipe 23 is provided with a screw cap 41, the spherical bulge 30, the suction hole 33 and the inclined plate 32 are arranged on the screw cap 41, an inclined plate screw port 41a on the inclined plate 32 is in threaded connection with an outer pipe screw port 26a on the outer pipe 26, and a camera is embedded in the inclined plate 32; the lower screw of the outer tube at the bottom end of the outer tube 26 is in threaded connection with the screw of the armrest; the upper part of the sample bottle 39 is provided with a sample bottle upper screw port 39a, the lower part of the sample bottle 39 is provided with a bottom shell 42, the outer edge of the bottom shell 42 is integrally provided with a sample bottle lower screw port 39b, a rubber plug is arranged in the sample bottle 39, the rubber plug is connected with an auxiliary rod 43 in an inserting and combining manner, the auxiliary rod 43 penetrates through the bottom shell 42 and then is connected with the pull rod 22 in an inserting and combining manner, and the joint of the bottom shell 42 and the auxiliary rod 43 is provided with a watertight sealing ring; the screw cap 41 is provided with a screw cap port 41b, and the screw cap port 41b is in threaded connection with the upper screw port 39a of the sample bottle; the front end of the lower part of the inner tube 23 is integrally provided with an inner tube screw 23a, and the inner tube screw 23a is in threaded connection with the lower sample bottle screw 39b, so that the sample bottle 39 is fixed between the upper and lower parts of the inner tube. The embedding position of the camera on the inclined plate 32 is a spherical bulge, the spherical bulge is movably connected with the inclined plate, and after the camera is embedded in the spherical bulge, the camera can be manually adjusted at 15-75 degrees, so that the view field of the camera covers the front of the membrane breaking needle and the inner tube. The inner wall of the front end of the opening device 11 is provided with a righting ring, and the outer tube 26 penetrates through the righting ring to be inserted into the cervix for further righting the outer tube and improving the negative pressure effect. When in use: A. the steps of spreading vagina and disinfecting the cervical orifice are as follows: after the spreading lubricant is applied, the spreading lubricant is inserted into the cervix along the vagina, the air bag is inflated by the air pump, the folds on the air bag are spread, the air bag is completely expanded, the vagina is spread, the cervix is exposed, a lumen is formed, and the cervix can be directly disinfected through the lumen; B. fixing the distraction device: tethered to the patient's waist with three tethers such that the distraction device remains within the user's body; C. inserting a membrane rupturing device: inserting the front end of the membrane breaking device along the tube cavity, penetrating through the cervical orifice to enable the soft silica gel at the front end of the outer tube to tightly press the fetal head, and temporarily connecting the membrane breaking device and the opening device in a magnetic absorption manner by using the soft silica gel paste; D. and (3) observing the fetal membranes: the camera is externally connected with a display device to observe the color of the fetal membrane, the color of amniotic fluid is observed through the fetal membrane, and whether the problem of the preposition of fetal membrane blood vessels exists or not is solved, if the fetal membrane is not suitable for rupture of the fetal membrane, the caesarean section is carried out in time; E. and (3) membrane rupture operation: the fetal membrane is gradually close to the membrane breaking needle along with pressure arrangement, and after the fetal membrane is pressed to the membrane breaking needle, the fetal membrane is broken in a state of being separated from the fetal head, so that the fetal is not damaged; F. collecting amniotic fluid samples: the amniotic fluid flowing into the negative pressure cavity is used as an amniotic fluid sample for inspection under the pressure at the instant of membrane rupture, so that amniotic fluid infection is avoided; G. the rupture device is taken out, and the opening device is kept in the vagina according to the condition so as to further observe the condition of the uterine opening.
The invention starts to make model tests in 2019-12 months in the affiliated hospital of Qingdao university, the background technology of artificial membrane rupture is A group, CN 206950213U model is B group, CN 109157272A model is C group, CN 209018893U model is D group, the first scheme of the invention is E group, the second scheme of the invention is F group, the third scheme of the invention is G group, each group of five parturients at next birth, the comparison results are as follows:
in conclusion, through the comparison, the invention solves the technical problem of blind rupture of the membrane, is beneficial to observing the preposition of the fetal membrane blood vessel and the color of amniotic fluid, simultaneously uses the opening device to open the vagina, is beneficial to disinfecting the cervical orifice, and conveniently enables the rupture device (such as an outer tube and the like) after the vagina is opened to enter the cervix. Compared with the prior art, the invention has the advantages that the technical characteristics support each other in function, not only the new technical effect (retaining the amniotic fluid in the initial state of rupture of membranes) is achieved, but also the technical effect is superior to the sum of the prior art. When the membrane is broken, the uterine orifice is just opened by one to three centimeters, the head is still high and is 10 to 15 centimeters away from the vaginal orifice, the membrane is broken blindly in the past, and the membrane is very difficult to break.